1 /* malloc() function that is glibc compatible. 2 3 Copyright (C) 1997-1998, 2006-2007, 2009-2022 Free Software Foundation, Inc. 4 5 This file is free software: you can redistribute it and/or modify 6 it under the terms of the GNU Lesser General Public License as 7 published by the Free Software Foundation; either version 2.1 of the 8 License, or (at your option) any later version. 9 10 This file is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17 18 /* written by Jim Meyering and Bruno Haible */ 19 20 #define _GL_USE_STDLIB_ALLOC 1 21 #include <config.h> 22 23 #include <stdlib.h> 24 25 #include <errno.h> 26 27 #include "xalloc-oversized.h" 28 29 /* Allocate an N-byte block of memory from the heap, even if N is 0. */ 30 31 void * rpl_malloc(size_t n)32rpl_malloc (size_t n) 33 { 34 if (n == 0) 35 n = 1; 36 37 if (xalloc_oversized (n, 1)) 38 { 39 errno = ENOMEM; 40 return NULL; 41 } 42 43 void *result = malloc (n); 44 45 #if !HAVE_MALLOC_POSIX 46 if (result == NULL) 47 errno = ENOMEM; 48 #endif 49 50 return result; 51 } 52